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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    <script>
//         //实现以下效果
// const multiplyByThree = makeMultiplier(3);
// console.log(multiplyByThree(5)); // 15
// console.log(multiplyByThree(10)); // 30
const makeMultiplier=function(a){
    const getProduct=b=> console.log(a*b);    
    return    getProduct 
}
const multiplyByThree = makeMultiplier(3);
multiplyByThree(5)
multiplyByThree(10)
    </script>
</body>
</html>